Are you a private individual, therapist? Select the number of Chinese pi or jet donuts in 30mm you needDescription of Chinese pi or jet donuts - 30mmJet is a special mineral. It is an organic rock that is not made from a crystalline structure. It is also called jet. It belongs to the lignite family. It is black in color with bluish undertones and is made of fossilized wood. It is a beautiful stone that is perfect for creating jewelry. Jet is very powerful and protects against evil waves. It is present in France, Spain, Germany and the United States. It is very useful for people who are looking for their personal development. It is an anchor stone.Properties of Chinese pi or jet donuts - 30mmProperties of jet Chinese pi - 30mm on the mental level in lithotherapyYou can use jet Chinese pi on a mental level because it brings a lot of benefits:It is used to contact the spirits